Radeon R9 M390X vs Radeon RX 640

In this comparison between Radeon R9 M390X and Radeon RX 640 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon R9 M390X will be the best choice, for others Radeon RX 640 will be their preference. Study the comparison tables below and make your choice.

Radeon R9 M390X Check Price

Radeon RX 640 Check Price

Radeon R9 M390X and Radeon RX 640 are Laptop Graphics Cards

Note: Radeon R9 M390X and Radeon RX 640 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R9 M390X or Radeon RX 640 here:

Radeon R9 M390X Laptops

Radeon RX 640 Laptops

Main Specs

	Radeon R9 M390X	Radeon RX 640
Power consumption (TDP)	100 Watt	50 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Supplementary power connectors	None	None
Memory type	GDDR5	GDDR5
Maximum RAM amount	4 GB	4 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 M390X has 100% more power consumption, than Radeon RX 640.
Radeon R9 M390X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon R9 M390X and Radeon RX 640 have maximum RAM of 4 GB.
Both cards are used in Laptops.
Radeon R9 M390X is build with GCN 3 architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 495 MHz higher, than Radeon R9 M390X.
Radeon R9 M390X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.

Game benchmarks


high / 1080p	21−24	5−6
ultra / 1080p	12−14	3−4
QHD / 1440p	8−9	2−3
4K / 2160p	5−6	−
low / 720p	40−45	16−18
medium / 1080p	27−30	7−8
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 228% more, than Radeon RX 640.
high / 1080p	35−40	10−12
ultra / 1080p	30−35	8−9
QHD / 1440p	14−16	0−1
4K / 2160p	9−10	−
low / 720p	70−75	24−27
medium / 1080p	40−45	10−12
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 228% more, than Radeon RX 640.
low / 768p	50−55	45−50
high / 1080p	−	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Radeon RX 640.
low / 768p	230−240	130−140
medium / 768p	210−220	100−110
ultra / 1080p	120−130	50−55
QHD / 1440p	100−110	27−30
4K / 2160p	55−60	12−14
high / 768p	170−180	80−85
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 120% more, than Radeon RX 640.
low / 768p	60−65	50−55
ultra / 1080p	55−60	18−20
medium / 1080p	55−60	45−50
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 51% more, than Radeon RX 640.
low / 768p	120−130	80−85
medium / 768p	110−120	55−60
ultra / 1080p	85−90	30−35
The average gaming FPS of Radeon R9 M390X in Dota 2 is 91% more, than Radeon RX 640.
high / 1080p	27−30	7−8
ultra / 1080p	24−27	5−6
QHD / 1440p	20−22	−
4K / 2160p	9−10	5−6
low / 720p	55−60	18−20
medium / 1080p	30−33	8−9
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 233% more, than Radeon RX 640.
high / 1080p	35−40	7−8
ultra / 1080p	27−30	0−1
QHD / 1440p	16−18	0−1
low / 720p	130−140	60−65
medium / 1080p	75−80	18−20
The average gaming FPS of Radeon R9 M390X in Fortnite is 186% more, than Radeon RX 640.
high / 1080p	35−40	10−11
ultra / 1080p	27−30	−
QHD / 1440p	16−18	−
4K / 2160p	14−16	8−9
low / 720p	75−80	24−27
medium / 1080p	40−45	12−14
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 207% more, than Radeon RX 640.
low / 768p	110−120	50−55
medium / 768p	95−100	−
high / 1080p	45−50	10−12
ultra / 1080p	18−20	5−6
QHD / 1440p	9−10	−
medium / 720p	−	45−50
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 160% more, than Radeon RX 640.
high / 1080p	14−16	3−4
ultra / 1080p	10−12	1−2
QHD / 1440p	10−12	−
4K / 2160p	3−4	−
low / 720p	40−45	10−11
medium / 1080p	20−22	5−6
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 340% more, than Radeon RX 640.
low / 768p	120−130	90−95
ultra / 1080p	−	80−85
medium / 1080p	110−120	−
The average gaming FPS of Radeon R9 M390X in Minecraft is 35% more, than Radeon RX 640.
high / 1080p	−	6−7
ultra / 1080p	14−16	2−3
4K / 2160p	−	0−1
low / 720p	75−80	27−30
medium / 1080p	18−20	10−11
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 184% more, than Radeon RX 640.
high / 1080p	16−18	−
ultra / 1080p	10−12	−
QHD / 1440p	3−4	−
4K / 2160p	2−3	−
low / 720p	40−45	10−12
medium / 1080p	21−24	9−10
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 220% more, than Radeon RX 640.
low / 768p	80−85	21−24
medium / 768p	50−55	14−16
high / 1080p	27−30	6−7
ultra / 1080p	16−18	4−5
4K / 2160p	9−10	3−4
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 280% more, than Radeon RX 640.
low / 768p	90−95	75−80
medium / 768p	60−65	40−45
ultra / 1080p	40−45	18−20
high / 768p	55−60	35−40
The average gaming FPS of Radeon R9 M390X in World of Tanks is 43% more, than Radeon RX 640.

Full Specs

	Radeon R9 M390X	Radeon RX 640
Architecture	GCN 3	Polaris
Code name	Amethyst (XT) / Tonga	Polaris 12
Type	Laptop	Laptop
Release date	9 June 2015	12 August 2019
Pipelines	2048	640
Core clock speed	723 MHz	1218 MHz
Boost Clock		1218 MHz
Transistor count	5,000 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	92.54	38.98
Floating-point performance	2,961 gflops
Memory bus width	256 Bit	64 Bit
Memory clock speed		6000 MHz
Memory bandwidth	160.0 GB/s	112.0 GB/s
Shared memory	-	-
DirectX		12 (12_0)
Shader Model	6.3	6.4
OpenGL	4.4	4.6
OpenCL	Not Listed	2.0
Vulkan	+	1.2.131
FreeSync	+	+
Bus support	PCIe 3.0
Laptop size	large	large
Eyefinity	+
HD3D	+
PowerTune	+
DualGraphics	+
ZeroCore	+
Switchable graphics	+
Mantle	+
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Radeon R9 M390X vs Radeon RX 640

Radeon R9 M390X and Radeon RX 640 are Laptop Graphics Cards

Main Specs

Game benchmarks

Full Specs

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